complete strike ties 1861 3c Rose (65) to cover to New Haven, Connecticut, matching "Waterbury Con May 1 '66" double circle datestamp alongside, extremely fine, Rohloff rarity "RRRR" with the unpublished Crowe census recording only three covers with this whimsical and wonderful cancellation, illustrated in Rohloff page 67, 2022 William T. Crowe certificateProvenance: Dr. Glenn E. Jackson (R.A. Siegel Sale 369, 1970)John R. Boker, Jr. (Private transaction)